2DXI

2.2 A crystal structure of glutamyl-tRNA synthetase from Thermus thermophilus complexed with tRNA(Glu), ATP, and L-glutamol

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (C, D)	tRNA	polymer	75	24105.3	2
2	C, D (A, B)	glutamyl-tRNA synthetase	polymer	468	53988.7	2	UniProt (P27000) Pfam (PF00749) Pfam (PF19269)	Thermus thermophilus	Glutamate--tRNA ligase, Glurs
3	E, F (C, D)	MAGNESIUM ION	non-polymer		24.3	2	Chemie (MG)
4	G, I (A, B)	ADENOSINE-5'-TRIPHOSPHATE	non-polymer		507.2	2	Chemie (ATP)
5	H, J (A, B)	(4S)-4-AMINO-5-HYDROXYPENTANOIC ACID	non-polymer		133.1	2	Chemie (GAU)
6	K, L, M, N (C, D, A, B)	water	water		18.0	359	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	156188.1
Non-Polymers*	Number of molecules	6
	Total formula weight	1329.3
All*	Total formula weight	157517.4

*Water molecules are not included.